CH435217A - Process for the catalytic oxidation of exhaust gases - Google Patents

Process for the catalytic oxidation of exhaust gases

Info

Publication number
CH435217A
CH435217A CH1450461A CH1450461A CH435217A CH 435217 A CH435217 A CH 435217A CH 1450461 A CH1450461 A CH 1450461A CH 1450461 A CH1450461 A CH 1450461A CH 435217 A CH435217 A CH 435217A
Authority
CH
Switzerland
Prior art keywords
exhaust gases
catalytic oxidation
catalytic
oxidation
gases
Prior art date
Application number
CH1450461A
Other languages
German (de)
Inventor
Samuel Dr Bloch Herman
Original Assignee
Universal Oil Prod Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universal Oil Prod Co filed Critical Universal Oil Prod Co
Publication of CH435217A publication Critical patent/CH435217A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00389—Controlling the temperature using electric heating or cooling elements
    • B01J2208/00398—Controlling the temperature using electric heating or cooling elements inside the reactor bed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00548—Flow
    • B01J2208/00557—Flow controlling the residence time inside the reactor vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00592—Controlling the pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
CH1450461A 1960-12-14 1961-12-14 Process for the catalytic oxidation of exhaust gases CH435217A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7566660A 1960-12-14 1960-12-14
US68925367A 1967-12-11 1967-12-11

Publications (1)

Publication Number Publication Date
CH435217A true CH435217A (en) 1967-05-15

Family

ID=26757138

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1450461A CH435217A (en) 1960-12-14 1961-12-14 Process for the catalytic oxidation of exhaust gases

Country Status (5)

Country Link
US (1) US3458276A (en)
CH (1) CH435217A (en)
DE (1) DE1211029B (en)
GB (1) GB1002337A (en)
NL (1) NL272520A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303695C3 (en) * 1973-01-26 1980-03-13 Kali-Chemie Ag, 3000 Hannover Process for the preparation of a catalyst containing palladium and manganese
DE2306395C3 (en) * 1973-02-09 1978-08-10 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Supported catalyst
US4171289A (en) * 1977-12-02 1979-10-16 Exxon Research & Engineering Co. Selective automotive exhaust catalysts and a process for their preparation
JP2598817B2 (en) * 1988-12-09 1997-04-09 株式会社日本触媒 Exhaust gas purification catalyst
US5286699A (en) * 1988-12-09 1994-02-15 Nippon Shokubai Kagaku Kogyo Co., Ltd. Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalyst
US5254797A (en) * 1989-06-07 1993-10-19 Ngk Insulators, Ltd. Method of treating exhaust gas
DE69012883T3 (en) * 1989-06-07 1998-08-27 Masakatsu Hiraoka Exhaust gas treatment method.
WO2015134470A1 (en) * 2014-03-04 2015-09-11 Prism Analytical Technologies, Inc. Formaldehyde emission reduction in natural gas fired reciprocating internal combustion engines (rice)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE396270A (en) * 1932-05-12
GB435650A (en) * 1933-11-20 1935-09-25 Degea Ag Auergesellschaft Improvements in and relating to filters for the exhaust gases of internal combustionengines
GB797777A (en) * 1955-05-31 1958-07-09 Oxy Catalyst Inc Improvements in or relating to a catalytic internal combustion engine exhaust purifier
US3070640A (en) * 1958-12-29 1962-12-25 Kellogg M W Co Preparation of cyclohexane
US3230034A (en) * 1960-09-29 1966-01-18 Du Pont Method of treating exhaust gases of internal combustion engines
US3378334A (en) * 1964-05-21 1968-04-16 Universal Oil Prod Co Oxidation of waste gases in the presence of mixed catalysts

Also Published As

Publication number Publication date
NL272520A (en)
DE1211029B (en) 1966-02-17
US3458276A (en) 1969-07-29
GB1002337A (en) 1965-08-25

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